About the role
About Redwood Materials
Redwood Materials was founded in 2017 by JB Straubel, co-founder and former CTO of Tesla, on a simple but radical idea: the critical minerals powering the energy transition already exist. They just need to come back. Today Redwood is the largest lithium-ion battery recycler in North America — recovering, refining, and redeploying critical minerals from end-of-life batteries back into the supply chain. On the energy side, Redwood has deployed the largest second-life battery project in the world, delivering power to AI data centers in months rather than years using proprietary energy architecture engineered entirely in-house. The company is profitable, the market it operates in is projected to grow 20 to 50 times over the next decade, and Redwood is the only company with the supply chain, the technology, and the operational scale to lead it.
Position Summary:
The Payroll Specialist V is responsible for the accurate and timely processing of payroll for approximately 1,200 employees across multiple states. The role ensures compliance with federal, state, and local payroll regulations, maintains payroll records, and resolves payroll matters for internal and external stakeholders. The position works independently on complex assignments, recommends process and system improvements, and coordinates with HR, Finance, and Benefits. This is a fully on-site role at LH 2.
Responsibilities
* Process biweekly and off-cycle payrolls from start to finish, including time and attendance data, earnings, deductions, and adjustments * Ensure payroll compliance with federal, state, and local wage and hour laws, tax regulations, and company policies * Reconcile payroll reports and accounts, and resolve discrepancies in a timely manner * Coordinate payroll changes with HR, Finance, and Benefits, including new hires, terminations, compensation adjustments, and benefits deductions * Resolve employee payroll inquiries and support internal and external payroll audits * Prepare and distribute year-end tax documents, including W-2s, and maintain payroll records in line with internal policies and legal standards * Lead process improvement, automation, and standardization initiatives, including system upgrades, to reduce errors and manual work
Skills, Knowledge, and Abilities
* Associate's or Bachelor's degree in Accounting, Finance, Business Administration, or a related field preferred * 5+ years of payroll experience, including multi-state payroll processing * Working knowledge of federal and state payroll regulations and tax compliance, including changes to payroll laws * Experience with payroll systems such as ADP or Workday, Workday preferred * Ability to analyze payroll data and resolve discrepancies with accuracy and attention to detail * Proficiency in Microsoft Excel, including working with large datasets * Ability to handle confidential information with discretion * Certified Payroll Professional (CPP) designation is a plus
The position is full-time. Compensation will be commensurate with experience.
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